benefit of GEOM labels for ZFS, was Hard drive device names... serial numbers

[Dean Jones]

On Thu, Feb 28, 2013 at 7:30 PM, Freddie Cash <fjwcash at gmail.com> wrote:

> You label the drive with something that tells you:
>   - enclosure
>   - column
>   - row
>
> For example, we use the following pattern: encX-A-#
>
> Where X tells you which enclosure it's in, A tells you which column it's in
> (letters start at A increasing to the right), and # tells you the disk in
> the column, numbered top-down.
>
> Whether you label the entire drive using glabel or just a GPT partition is
> up to you. We use GPT labels.
>

I like your labeling convention.

I'll add that glabel is FreeBSD specific, so if a pool might ever be
imported under another OS that GPT labels are universal.